Today: Partly sunny, 30% chance of showers and thunderstorms, mainly after 1 p.m. High near 89; heat-index values as high as 99. West-southwest winds around 5 mph. Mostly cloudy tonight, with more rain expected. Low of 69, with winds shifting to the east.

Saturday: Partly sunny, 30% chance of showers and thunderstorms, east-southeast winds 5 mph and a high of 87. Mostly cloudy at night, 20% chance of showers and thunderstorms, low of 70.

Sunday: Mostly sunny, high near 91. Partly cloudy at night, 20% chance of showers and thunderstorms, low of 72.